<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="renderer" content="webkit">
    <link rel="stylesheet" href="kityformula/assets/styles/base.css">
    <link rel="stylesheet" href="kityformula/assets/styles/ui.css">
    <link rel="stylesheet" href="kityformula/assets/styles/scrollbar.css">
    <style>
        html, body {
            padding: 0;
            margin: 0;
        }
        .kf-editor {
            width: 780px;
            height: 380px;
        }
        #loading {
            height: 32px;
            width: 340px;
            line-height: 32px;
            position: absolute;
            top: 42%;
            left: 50%;
            margin-left: -170px;
            font-family: arial, "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
        }
        #loading img {
            position: absolute;
        }
        #loading p {
            display: block;
            position: absolute;
            left: 40px;
            top: 0px;
            margin: 0;
        }

    </style>
    <title></title>
</head>
<body>
<div id="kfEditorContainer" class="kf-editor">
    <div id="tips" class="tips">
        sorry! Beta版本仅支持IE9及以上版本的浏览器，正式版本将会支持低版本浏览器，谢谢您的关注！
    </div>
</div>
<input type="hidden" id="data-latex" value="" />

<script src="kityformula/js/jquery-1.11.0.min.js"></script>
<script src="kityformula/js/kitygraph.all.js"></script>
<script src="kityformula/js/kity-formula-render.all.js"></script>
<script src="kityformula/js/kity-formula-parser.all.min.js"></script>
<script src="kityformula/js/kityformula-editor.all.min.js"></script>
<script>
    function setlatex(imgLatex){
        try {
            window.kfe.execCommand( "render", imgLatex || "\\placeholder" );
            window.kfe.execCommand( "focus" );
        }catch (e) {}

    }
    jQuery( function ($) {
        if ( document.body.addEventListener ) {
            $( "#tips").html('<div id="loading"><img src="kityformula/loading.gif" alt="loading" /><p>正在加载，请耐心等待...</p></div>' );

            var factory = kf.EditorFactory.create( $( "#kfEditorContainer" )[ 0 ], {
                render: {
                    fontsize: 24
                },
                resource: {
                    path: "./kityformula/resource/"
                }
            } );

            factory.ready( function ( KFEditor ) {

                $( "#tips").remove();
                this.execCommand( "render", null || "\\placeholder" );
                this.execCommand( "focus" );

                window.kfe = this;

            } );

            onok = function(editor){
                kfe.execCommand('get.image.data', function(data){
                    var latex = window.kfe.execCommand('get.source');
                    editor.insertHtml('<img class="kfformula" style="vertical-align: middle;" src="'+ data.img +'" data-latex="' + latex + '" />');
                    $( "#tips").remove();
                    return true;
                });
                return false;
            }

            //解决第一次赋值失败的问题
            let setMessage =  () => {
                try {
                    window.kfe.execCommand( "render", sessionStorage.getItem('latex') || "\\placeholder" );
                    sessionStorage.setItem("latex", "");
                }catch (e) {
                    setTimeout(() => {
                        setMessage()
                    },200)
                }
            }
            setMessage();


        } else {
            $( "#tips").css( "color", "black" );
            $( "#tips").css( "padding", "10px" );
        }

    } );
</script>
</body>
</html>
